634924 has 6 divisors (see below), whose sum is σ = 1111124. Its totient is φ = 317460.

The previous prime is 634903. The next prime is 634927. The reversal of 634924 is 429436.

It is a d-powerful number, because it can be written as 6⁷ + 3 + 9⁵ + 4⁵ + 2¹⁵ + 4⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 634892 and 634901.

It is not an unprimeable number, because it can be changed into a prime (634927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79362 + ... + 79369.

2⁶³⁴⁹²⁴ is an apocalyptic number.

It is an amenable number.

634924 is a deficient number, since it is larger than the sum of its proper divisors (476200).

634924 is a wasteful number, since it uses less digits than its factorization.

634924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158735 (or 158733 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 634924 is about 796.8211844573. The cubic root of 634924 is about 85.9489511352.

The spelling of 634924 in words is "six hundred thirty-four thousand, nine hundred twenty-four".